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LibreTranslate

Writing & language

Free & open sourceEditorial overview
A CLOSER LOOK

What is LibreTranslate?

LibreTranslate packages open-source machine translation into a web interface and API. Its self-hosted edition is useful for applications and internal workflows that need translation under the operator’s infrastructure control.

Translation API

Text translation

File translation

Self-hosted deployment

Is it a good fit?

Best suited to

Teams hosting an internal translation API

Before you choose

Server operation requires administration. Machine translation quality needs human review.

Editorial assessment based on the provider’s published information. Our method

Know what you're signing up for.

LibreTranslate provides free AGPL-licensed software for a self-hosted translation API and interface. Infrastructure and subscriptions to the public hosted API are separate from that software license.

Open-source edition

$0software license

Free AGPL self-hosted software; infrastructure and hosted public API subscriptions are separate.

  • Translation API
  • Text translation
  • File translation
View official plan

Free AGPL self-hosted software; infrastructure and hosted public API subscriptions are separate.

Check current official pricing

The useful parts. The trade-offs.

Why consider it

Self-hosting gives operators control over translation infrastructure.

A web interface and API support both manual and application workflows.

What to keep in mind

Server operation requires administration

Machine translation quality needs human review

How to use it well

Deploy a small instance with the required languages and test real examples before connecting production applications. Define rate limits and monitor resource use so translation jobs remain predictable.

Review output quality by language pair, and keep the distinction between self-hosted software and public API subscriptions clear. No. The downloadable software is free; hosted API access has separate service terms. The official page describes offline-capable self-hosted software once the required components and models are installed.

A few things you might be wondering.

Is LibreTranslate free?

LibreTranslate provides free AGPL-licensed software for a self-hosted translation API and interface. Infrastructure and subscriptions to the public hosted API are separate from that software license.

Does free self-hosting include unlimited use of the public API?

No. The downloadable software is free; hosted API access has separate service terms.

Can LibreTranslate work offline?

The official page describes offline-capable self-hosted software once the required components and models are installed.

Where can I check the latest prices?

Use the provider link on this page. Billing period, location, team size, promotions, taxes, and optional extras may affect the amount you pay.

How should I compare this tool with alternatives?

Choose tools for the same task, then compare their feature limits, platform support, and total cost for your team. The Compare button helps you keep a shortlist.

Are the user reviews moderated?

Yes. New reviews are submitted for moderation. We show published user reviews separately from the editorial overview and never assign a default user rating.

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